3.2 Voices contain music

Singers need voices to sing, and so does LilyPond. The actual music for all instruments in a score is contained in Voices – the most fundamental of all LilyPond’s concepts.

Other languages: català, česky, deutsch, español, français, magyar, italiano, 日本語, nederlands.
About automatic language selection.

LilyPond — Learning Manual v2.19.84 (development-branch).